| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No method | 4557 |
85.5%
|
| 1 | Folkloric method | 3 |
0.1%
|
| 2 | Traditional method | 238 |
4.5%
|
| 3 | Modern method | 531 |
10%
|